#在 Terminal 里输入 pydoc input ，看看它会说什么。如果你用的是 Windows， 输入 python3.6 -m pydoc input 。


# C:\Users\10821\lizhidexuexi>python -m pydoc input
# Help on built-in function input in module builtins:
#
# input(prompt=None, /)
#     Read a string from standard input.  The trailing newline is stripped.
#
#     The prompt string, if given, is printed to standard output without a
#     trailing newline before reading input.

#输入qt 退出pydoc